Home / 170,429.10-255,643.65-169,392.30

Finding the Fourth Proportional to 170,429.10, 255,643.65 and 169,392.30

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Solution

The fourth proportional to 170,429.10, 255,643.65 and 169,392.30 is: 254,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,429.10 : 255,643.65 = 169,392.30 : x
  2. Step 2: Convert to fraction form
    170,429.10/255,643.65 = 169,392.30/x
  3. Step 3: Cross multiply
    170,429.10x = 255,643.65 × 169,392.30
  4. Step 4: Simplify right side
    170,429.10x = 43,304,065,853.90
  5. Step 5: Solve for x
    x = 43,304,065,853.90/170,429.10
  6. Step 6: Final answer
    x = 254,088.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.